data segment
  table db 30h,31h,32h,33h,34h,35h,36h,37h  ; 修复第三个元素为32h
        db 38h,39h,41h,42h,43h,44h,45h,46h
  x     db 13                               ; 修复x为10（对应'A'）
  ascii db ?
data ends
code segment
  assume cs:code,ds:data
begin:
   mov ax,data
   mov ds,ax
   mov bl,x
   mov bh,0
   mov al,table[bx]
   mov ascii,al
   mov dl,al
   mov ah,02h
   int 21h
   mov ah,4ch
   int 21h
code ends
   end begin